資源描述:
《Unit 2 Topic 2 Section C 課件 1.ppt》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionC課件1Review(1)________ofusknowshowtostopthebadbehaviour.(2)Iknockedonthedoorbut___________answered.(3)Someofthesebooksarebetterthan__________.Fillintheblanksusingsomething,anything,others,nobody,everyone,anybody,everywhere,no
2、ne,other.Nonenobodyothers(4)Shewasdrivingthecarwithonehandandwipingthewindowwiththe_______.(5)TheyarebeautifulbutIamlookingfor___________useful.(6)Isthere___________youcandotohelpher?othersomethinganything(7)There’re5000peoplelivinghereandalmost_________hashis/herowncar.(8)He’scleverert
3、han____________Iknow.(9)I’velooked__________butIcan’tfindit.everyoneanybodyeverywhereWhatcanwedotoprotectourenvironment?Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?cities,pollute,healthproblemsfactories,thelandandtheair,deadInourdailylife,weshouldfac
4、emoreenvironmentalproblems.Canyousaysomethingaboutthem?cutdown,millionsof,takeawaytheearth,becomedesert拿走Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?oxygenaspecialkindofoxygencalled“ozone”(O3)氧氣averybigholeintheozonelayer,toomuchharmfulradiationfromt
5、hesun臭氧層放射,放射物n.洞,坑v.出現(xiàn),形成n.種類,形式Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?CO2carbondioxideincreasealot,forma“blanket”,theheatfromthesuncan’tescape二氧化碳毛毯,毯子滲出;逃跑;逃脫causetheleveloftheseatorisecalled“thegreenhouseeffect”or“globalwarming”v.上升;起床;升起溫室效
6、應(yīng)ExercisesfewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideCanyoumatchthem?ChoosesuitabletitlesforParagraphs2-6.Thenwriteitdowninfrontofeachparagraph.A.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxideTheearthis4.6billionyearsold.Wehu
7、manshavelivedontheearthforonly35000years,butduringthisperiod,wehavechangedourplanetalotinmanyways.Somethingswe'vedoneareverygoodfortheearthwhilesomearebad.____________Allovertheworld,peoplehavecutdownmillionsoftrees.Whenitrainsorwhenthewindblows,theearthistakenaway.Forestshaveb